CN215034303U

CN215034303U - Low-cost high-efficient integrated form electric iron that generates heat

Info

Publication number: CN215034303U
Application number: CN202120123330.5U
Authority: CN
Inventors: 刘有林; 张雷; 李晔炜
Original assignee: Shenzhen Fasttobuy Business Co ltd
Current assignee: Shenzhen Fasttobuy Business Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-12-07
Anticipated expiration: 2031-01-18

Abstract

The application discloses integrated form electric iron that low-cost high efficiency generates heat, this application directly will generate heat the thick film and establish outward on fixed substrate as the heat source, the thick film that generates heat is located the outside of soldering bit, can directly conduct the heat to the welding end on, the centre need not to pass through multilayer structure, can greatly reduce thermal loss, the power density of the thick film that generates heat is big, the rate of heating is fast, operating temperature is high, the rate of temperature rise is fast, can conduct more heat to the soldering bit in the short time, the heating effect of electric iron is guaranteed, and, the electric iron of this application only need to establish the thick film that generates heat at fixed substrate outside surface, compare current multilayer structure's integrated electric iron, it is simpler in structure, it is simpler and easier to make, can save manufacturing cost, and then, because the thick film that generates heat mechanical strength is high, small, it is very convenient to install, the heating temperature field of the thick film that generates heat is even, The service life of the electric soldering iron can be prolonged.

Description

Low-cost high-efficient integrated form electric iron that generates heat

Technical Field

The utility model belongs to the technical field of the electric iron is made, especially, relate to an integrated form electric iron that low-cost high efficiency generates heat.

Background

The electric soldering iron is a necessary tool for electronic manufacturing and electric appliance maintenance, mainly used for welding elements and leads, and can be divided into a head-core separated electric soldering iron and a head-core integrated electric soldering iron according to a mechanical structure.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

In order to overcome not enough above, the utility model aims to provide an integrated form electric iron that low-cost high efficiency generates heat to it is slow to solve current integrated electric iron speed of generating heat, and the thermal efficiency is low, and the electric energy is extravagant big, and the material that generates heat breaks easily and heat energy consumes great technical problem.

(II) technical scheme

In order to achieve the purpose, the technical scheme provided by the application is as follows:

an integrated electric soldering iron with low cost and high heat generation efficiency, which comprises: handle, connection handle's soldering iron, the soldering iron includes from inside to outside in proper order: the fixed base member, first insulating layer, the thick film and the second insulating layer generate heat, and the end of fixed base member is the welding end, and the thick film that generates heat has set up short circuit electrode, and under short circuit electrode's effect, the thick film that generates heat self generates heat and the heat conducts to the welding end through first insulating layer.

The electric soldering iron directly arranges the heating thick film ring on the fixed substrate as a heat source, the heating thick film is positioned at the outermost side of the soldering iron head and can directly conduct heat to the welding end, a multilayer structure is not needed in the middle, the heat loss can be greatly reduced, the power density of the heating thick film is high, the heating speed is high, the working temperature is high, the heating rate is high, more heat can be conducted to the soldering iron head in a short time, the heating effect of the electric soldering iron is ensured, in addition, the electric soldering iron only needs to arrange the heating thick film on the outer side surface of the fixed substrate, compared with the existing integrated electric soldering iron with the multilayer structure, the structure is simpler, the manufacture cost can be saved, the further, the mechanical strength of the heating thick film is high, the volume is small, the installation is very convenient, the heating temperature field of the heating thick film is uniform, the service life is long, and the service life of the electric soldering iron can be prolonged, furthermore, the heating thick film takes metal as a substrate, so that the problem that the heating material in the conventional electric soldering iron is a brittle material and is easy to break is solved, and the service life of the electric soldering iron is further prolonged.

In some embodiments, the thickness of the heating thick film is 15-80 μm, the thickness of the heating thick film is optimized, the power density of the heating thick film is ensured, and the electric soldering iron paste can be used for soldering workpieces with high temperature requirements.

In some embodiments, a tin plating protective layer is disposed on the solder end.

In some embodiments, the fixing base is a copper material or an iron material.

In some embodiments, further comprising: the temperature sensing piece is arranged on the heating thick film and used for sensing the temperature of the heating thick film in real time.

Drawings

FIG. 1 is a schematic structural view of a low-cost and high-efficiency heating integrated electric iron of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a temperature comparison chart of the integrated electric soldering iron with low cost and high efficiency heating and the prior integrated electric soldering iron.

Reference numerals:

1. a handle; 2. fixing the substrate; 201. welding the end; 3. a second insulating layer; 4. heating thick film; 5. a first insulating layer; 6. and (5) tinning a protective layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Referring to fig. 1-2, the present invention provides an integrated electric soldering iron with low cost and high efficiency, which comprises: handle 1, the soldering iron of connecting handle 1, the soldering iron includes from inside to outside in proper order: the fixed base body 2, first insulating layer 5, the thick film 4 and the second insulating layer 3 generate heat, the end of fixed base body 2 is welding end 201, and the thick film 4 that generates heat has set up the short circuit electrode, and under the effect of short circuit electrode, the thick film 4 that generates heat self generates heat and the heat conducts welding end 201 through first insulating layer 5.

Specifically, the first insulating layer 5 and the second insulating layer 3 may be glaze layers formed by sintering materials such as mica sheets, ceramics, and glass, the first insulating layer 5 may prevent the leakage current of the heat generating thick film 4 from flowing to the fixed substrate 2, and the second insulating layer 3 may prevent a user from touching the heat generating thick film 4 to cause an electric shock and protect the heat generating thick film 4.

Specifically, the soldering iron head structure of the existing integrated electric soldering iron comprises: the ceramic heating element, the oxygen-free copper heat conduction layer, the iron plating supporting layer, the nickel plating anticorrosive layer and the chromium plating anticorrosive layer are arranged in sequence from inside to outside, when the electric soldering iron is welded, the ceramic heating element generates heat, the heat is conducted outwards through the oxygen-free copper heat conduction layer, the iron plating supporting layer, the nickel plating anticorrosive layer and the chromium plating anticorrosive layer in sequence, and the heat is required to pass through a multilayer structure in the heat transfer process of the electric soldering iron, so that heat loss is easily caused.

The heating core of the application is arranged on the fixed base body 2 in a ring mode to serve as a heat source, the heating thick film 4 is large in power density, high in heating speed, high in working temperature and high in heating rate, more heat can be conducted to the soldering iron head in a short time, the heating effect of the electric soldering iron is guaranteed, the heating thick film 4 of the application is arranged on the outer side of the soldering iron head, the heat generated by the heating thick film 4 can be directly conducted to the welding end 201, compared with the existing method that the heating core is arranged on the inner side of the soldering iron head, the heat generated by the heating core can be conducted to the outermost side through multiple layers of metal materials to cause heat waste, a large amount of heat energy can be saved, and the electric soldering iron structure of the application is simpler in structure compared with the existing integrated electric soldering iron, the manufacturing is simpler, the manufacturing cost can be saved, and the manufacturing cost is further reduced, because the mechanical strength of the heating thick film 4 is high, The heating thick film 4 is even in heating temperature field and long in service life, and can prolong the service life of the electric soldering iron.

Specifically, the heat-generating thick film 4 is formed by mixing a superconducting ceramic material fine powder and an organic binder solvent into paste slurry, printing the slurry on a substrate material in the form of circuit wiring or patterns by a screen printing technique, and sintering the paste by a strict heat treatment process. The superconducting transition temperature of the heating thick film 4 is above 90K, and the zero resistance temperature is above 80K.

The quality of the thick film heating element is directly influenced by the property of the substrate material, and the influence of the metallographic structure, the components and the surface roughness of the stainless steel substrate material on the electrical property of the thick film heating element is larger. Preferably, an austenitic stainless steel is used, which contains about 18% of Cr, about 10% of Ni 8%, and about 0.1% of C, and has a stable austenitic structure. The stainless steel mainly comprises ferrite structure with chromium content of 11-30% and body-centered cubic crystal structure. The steel does not generally contain nickel, sometimes contains a small amount of elements such as Mo, Ti, Nb and the like, and has the characteristics of large heat conductivity coefficient, small expansion coefficient, good oxidation resistance, excellent stress corrosion resistance and the like. Preferably, the base material is 430 stainless steel or 440 stainless steel, and other metal substrates to which the thick film process can be applied may also be used as the base material.

The slurry generally comprises three parts: the functional phase, the binding phase and the organic carrier, wherein the organic carrier is mainly used for dispersing the functional phase and the binding phase, so that the slurry has certain viscosity and is suitable for screen printing. It typically contains solvents, plasticizers and additives (e.g., thixotropic agents, active agents, etc.).

Specifically, the heat-generating thick film 4 manufactured by ESL and DuPont in the united states, Heraeus in germany, and lydeluca alternifolia in china can be used.

Preferably, referring to fig. 3, the thickness of the heat-generating thick film 4 is 15-80 μm, the thickness of the heat-generating thick film 4 is optimized, the heat-generating thick film 42 with the thickness of 15-80 μm has high power density, high heating speed and high working temperature, referring to fig. 2, the electric soldering iron of the present application can reach the working temperature of 350 ℃ within 2 seconds, and can reach 350 ℃ within 10 seconds compared with the existing electric soldering iron, and the heating efficiency of the present application is higher.

Specifically, be provided with tin-plated protective layer 6 on the welding end 201, tin-plated protective layer 6 is convenient for the welding end 201 to go up tin to effectively prevent welding end 201 from being oxidized.

Specifically, the fixing base body 2 is made of a copper material or an iron material, the copper material or the iron material is high in structural hardness, and the overall structural strength of the electric soldering iron can be improved.

Preferably, the fixed base body 2 is red copper, because red copper's coefficient of thermal conductivity is big and heat transfer is even, can carry out longitudinal conduction and with heat conduction to welding end 201 with the partial heat of generating heat thick film 4 conduction to fixed base body 2, make full use of the heat of generating heat thick film 4, promote heat utilization.

Specifically, the temperature sensing element is arranged on the heating thick film 4 and used for sensing the temperature of the heating thick film 4 in real time. The temperature sensing piece can real-time induction generate heat the temperature on the thick film 4 so that the operating personnel can use, because the temperature sensing piece is directly arranged on the thick film 4 that generates heat, the test is more accurate.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a low-cost high-efficient integrated form electric iron that generates heat which characterized in that includes: handle (1), connection the soldering iron of handle (1), the soldering iron includes from inside to outside in proper order: the fixed base body (2), first insulating layer (5), generate heat thick film (4) and second insulating layer (3), the end of fixed base body (2) is welding end (201), generate heat thick film (4) have set up short circuit electrode, under short circuit electrode's effect, generate heat thick film (4) self generate heat and the heat is conducted extremely through first insulating layer (5) welding end (201).

2. The integrated electric soldering iron with low cost and high heat generation efficiency as claimed in claim 1, wherein the thickness of the heat generating thick film (4) is 15-80 μm.

3. The low-cost high-efficiency heat generating integrated electric soldering iron according to claim 1, wherein the soldering terminal (201) is provided with a tin-plated protective layer (6).

4. The integrated electric iron with low cost and high efficiency for heating according to claim 1, wherein the fixed base (2) is made of copper or iron.

5. A low-cost high-efficiency heating integrated electric iron as claimed in any one of claims 1 to 4, further comprising: the temperature sensing piece is arranged on the heating thick film (4) and used for sensing the temperature of the heating thick film (4) in real time.